# from itsdangerous import TimedJSONWebSignatureSerializer as Serializer
# from meiduo_mall import settings
# from itsdangerous import BadData,BadTimeSignature,SignatureExpired

#加密
# def generic_openid(openid):
#
#
#     s = Serializer(secret_key=settings.SECRET_KEY, expires_in=3600)
#     access_token = s.dumps({'openid': openid})
#
#     # 将bytes类型的数据转换为 str
#     return access_token.decode()


# 解密
# def check_access_token(token):
#     s = Serializer(secret_key=settings.SECRET_KEY, expires_in=3600)
#     try:
#         result=s.loads(token)
#     except Exception:
#         return None
#     else:
#         return result.get('openid')

